Grain-adjusting device



AfuHER GRAIN mvsme mama Jan. 29, 1929. I 1,700,389

Filed Nov. 20; 1926 2--Shoets-Sheet 1 ll Alia 25 2 iiialihug ulumii Y f I In 6 m y gwuewtoa g/Znton 21 Jan. 29, 1929. 1,700,389

A. UHER GRAIN ADJUSTING DEVICE Filed Nov. 20, 1926 2. Sheets-Sheet 2 12 ii I ,4 FMS of the board section 17 intermediate the ends of the latter, said rod 21 further having a downwardly directed inner end journaled in a bearing bracket 21 constituting said fixed part and rigidly attached to the frame of the conveyor formed in part by the aprons 8. A helical tension spring 25 or other elastic tension device is attached at one end as at 26 to the inn r side of the forward conveyor frame wall 20 inwardly of the pivot 19 of the head evener board, and this spring extends outwardly through a relatively large opening 27 pro ided in the inner board section 16 and has its outer end attached to the intermediate portion of the link 21. The means for attaching the spring 25 to the link 21 preferably embodies a slide 28 adjustable longitudinally on the link 21 and having an upstanding hook 29 engageable in an eye provided on the end of the spring 25.

As the grain is delivered onto the binder deck 7 from the aprons 8, it will pass outwardly between the head and butt evener boards shown in Figure 4:, the butts being evened by the board 10 by riding outwardly against the forwardly and outwardly curved forward surface of the same. At the same time, the heads of the grain will be evened by the head evening device, the board sections of which will be normally maintained atthe more acute angle relation as shown by dotted lines in Figure 4 by reason of the spring 25 pulling inwardly upon the link 21 and causing the latter as well as the inner board section to swing inwardly about their inner hinge connections 19 and 26. As the heads of the passing grain press against the outer end of the diagonally disposed inner board section 16, it will force the latter forwardly against the action of the spring 25, and in so doing, the link 21 will be forced to swing rearwardly while the outer board section 17 will swing about its pivotal connection with the outer end of link 21 so to assume a position parallel. with the direction of movement of the grain as shown by full lines in Figure 1. While this is taking place, the outer board section 17 is held yieldingly into engagement with the heads of the grain by the spring 25 so that a pressure is exerted upon the heads for evening the same, the board sections 16 and 17 undergoing a slight vibrating action during the evening operation.

The tension of the spring 25 may be adjusted to suit the requirements of different kinds of grain by adjusting the slide 28 longitudinally on the link 21, said slide being of clamp formation for this purpose. Thus, an efficient operation of the head evener is insured under various conditions.

It is noted that the adjustment of the slide 28 and the consequent adjustment of the tension of spring 25 may also act as a line ad- From the foregoing description it is believed that the construction and operation as well as the advantages of the present invention will be readily understood and ap preoiated by those skilled in the art.

Minor changes may be made without departing from the spirit and scope of the invention as claimed.

What I claim as new is 1. The combination with a binder deck and a fixed part above and at the front inner part of said deck, said fixed part being provided with slots, a butt evener board provided upon its receiving end with projecting tongues pivotally engaged in said slots so that said board is mounted for swinging movement upon the deck, and means associated with the fixed part and the free outer end of said board for permitting swinging adjustment of the latter and securing it in adjustably swung positions.

2. The combination with a binder deck and a fixed part above and at the front inner part of said deck, said fixed part being provided with slots, a. butt evener board provided upon its receiving'end with projectmg tongues pivotally engaged in said slots so that said board is mounted for swinging movement upon the deck, and means associated with the fixed partand the. free outer end of said board for permitting swinging adjustment of the latter and securing it in adjustably swung positions, said lastnamed means embodying an adjusting screw rigid with and projecting rearwardly from the free end of said board and extending through said fixed part, and jamb nuts threaded upon the adjusting screw at opposite sides of the fixed part.

In combination with a binder deck, a head ercner board hinged at its inner end. upon said. deck and comprising a pair of hingedly connected board sections, a fixed part forwardly of and near the inner end of said board, a link connectionbetween said fixed part and the outer side of the intermediate portion of the outer section of said board, and an elastic tension element connected to the link between its ends and extending inwardly freely through the inner board section and attached to a fixed part rearwardly and inwardly of the inner end of the inner board section.

4:. In combination with a binder deck, a head evcner board hinged at its inner end upon said, deck and comprising a pair of hingedly connected board sections, a fixed part forwardly of and near the inner end of said board, a link connection between said fixed part and the outer side of the intermediate portion of the outer section of said board, and an elastic tension element connected to the link between its ends and eX- tending inwardly freely through the inner hoard section and attached to a fixed part forwardly and inwardly of the inner end of the inner board section, and a slide adjustahle longitudinally of the link and having the outer end of the elastic tension element attached thereto.

5. A head evening device for grain harvesters comprising an evener board, means to pivotally attach the inner end of said board to the harvester whereby the board is mounted for swinging movement upon the harvester deck, and yieldable means for swinging the board in a forward direction on the deck, said board comprising a pair of hingedly connected sections, and a link disposed forwardly of the board having its outer end pivotally attached to the rear side of the intermediate portion of the outer secion of tlieihoard and having its inner end pivotally attached to a fixed part of the harvester.

In testimony whereof I affix my signature.

ANTON UHER. 

